/Engine/Source/Editor/UnrealEd/Public/IPropertyAccessEditor.h
Get the compatibility of the two supplied pin types. Ordering matters for promotion (A->B).
EPropertyAccessCompatibility GetPinTypeCompatibility ( const [FEdGraphPinType](API\Runtime\Engine\EdGraph\FEdGraphPinType) & InPinTypeA, const [FEdGraphPinType](API\Runtime\Engine\EdGraph\FEdGraphPinType) & InPinTypeB ) const